<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <link rel="stylesheet" href="bootstrap/css/bootstrap.min.css">
</head>
<body>
    <div class="container">
        <!-- code -->
        For example <code>&lt;section&gt;</code> as inline;
        我希望现在能键入<kbd>cmd</kbd>命令
        <pre>
            Sample text here...;
        </pre>

        <var>x</var> = <var>y</var>+<var>z</var>
        <samp>hello world</samp>
    </div>
</body>
</html>